Proctonotidae: Caldukia affinis (Burn, 1958) (‘related sea-slug’)
Synonym(s): affinis Burn, 1958.
Typical body-length 15 mm. Lives intertidally to offshore on bryozoans, on which it feeds. Native. Endemic to southeastern Australia (NSW, TAS, VIC and SA).
Order: Cladobranchia – unplaced
Superfamily: Cladobranchia – – unplaced